Downgrade docker to 20.04.2

dute to containerd/containerd#6203

Author: devopsmariocom

Dockerfile

@@ -12,7 +12,7 @@ USER root
 ENV KUSTOMIZE_VERSION=v4.4.1
 ENV KUSTIMIZE_HELM_PLUGIN=v0.9.2
 ENV STARSHIP_VERSION=v1.1.1
-ENV DOCKER_VERSION=20.04.2
+ENV DOCKER_VERSION=19.03.9
 ENV TERRAFORM_VERSION=1.1.2
 
 RUN mkdir /tmp/completion